3D Chart Maker vs Inkiostro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3D Chart Maker
Easily create professional 3D bar and pie charts on your iPhone or iPad. Customize colors, adjust 3D positioning, and save or print your visualizations.
- Create 3D bar, multi-bar, and pie charts
- Customize chart colors
- Adjust 3D positioning and lighting
- Save charts to Camera Roll
- Save and edit charts for future use
- Choose camera modes (3D, 2D, isometric)
Read full descriptionHide full description
3D Chart Maker is a tool for creating vibrant and professional charts. Whether you're making bar charts, multi-bar charts, or pie charts, you can easily share your creations with friends. Create your chart on the iPad or iPhone, and share or print an enlarged version on standard-size paper. 3D Chart Maker is a powerful graphing tool that allows you to make printable charts directly on your iPhone or iPad. You can create pie charts and bar graphs from small sets of data right on your device. 3D Chart Maker includes a built-in color picker, giving you the flexibility to define the look and feel of your charts through color customization. Features: • Save your charts and data for future use. • Browse and edit your saved charts at any time. • Instantly save charts to the Camera Roll in image format. • Customize the look and feel of your chart by choosing colors for each item with the built•in color picker. • Adjust the position of the charts in 3D space. • Adjust the 3D position of light and shadows on the charts. • Choose from three camera modes: 3D, 2D, and isometric. • Pinch to adjust the camera distance from the charts. • Option to show or hide values. • Option to show or hide the floor. • Option to show or hide shadows. • Enable or disable bar spacing (for bar charts only). • Choose the font type for charts. • Select the font size for charts. • Choose from three extrude modes for charts: small, medium, and large. 3D Chart Maker is ideal for students, businesses, and anyone needing data visualization. Thank you for your support! Visit nitrio.com for more apps for your iOS devices.
Inkiostro
A distraction-free Markdown editor for Apple devices. Organize files with color labels and tags, and write efficiently with a comprehensive toolbar and live preview. Syncs automatically via iCloud Drive.
- Color Labels for files and folders
- Custom tags for organization
- Complete Markdown toolbar
- Live preview with multiple themes
- Focus and Typewriter modes
- Native iCloud Drive sync
- External folder support
Read full descriptionHide full description
Inkiostro is a Markdown editor for people who write — notes, documentation, theses, novels. Plain text files that stay yours, a preview that looks like a finished page, and exports ready to hand over. Buy once, no subscription. No account, no tracking. WRITE, SEE, FINISH • A complete Markdown toolbar: headings, lists, tables and code blocks, one tap away. • A side-by-side preview that comes back exactly where you left it. • LaTeX formulas typeset by KaTeX, and Mermaid diagrams drawn as you type. • 27 preview styles, 11 of them free: GitHub, Sepia, Nord, Solarized and more. With Pro, Manuscript, Book, Report, Academic and others set the page like print. • Focus and Typewriter modes, a live word count and a daily writing goal. FROM DRAFT TO BOOK • PDF with selectable text, formulas and diagrams included. Free, with a small credit line in the footer. • A professional ePub: real chapters, a cover, ISBN, series, footnotes that open over the page, and the accessibility declaration Europe requires. The export sheet tells you what a store would reject — before you send it. (Pro) • A book made of many files: one chapter per file, in a folder, in the order you choose. Arranging it is free; exporting it as a single ePub is Pro. • Self-contained HTML, and page setup for PDF: paper, margins, headers and page numbers. (Pro) NEVER LOSE A WORD • Version history: Inkiostro saves versions as you write. Search them, compare them line by line, and bring back a single word or a whole draft. (Pro) • Backups of your whole library: a dated zip archive with your version history inside, offered when one is due, while the app is open, in a folder you pick. Open it in the Files app and your Markdown files are right there. (Pro) YOUR FILES, YOUR RULES • Unlimited documents, as plain .md files you can open anywhere. • Folders, color labels and tags, with search that filters by tag. • iCloud Drive sync between iPhone, iPad and Mac, with no setup. • External folders: work directly inside any folder on your device or in iCloud Drive. (Pro) INKIOSTRO PRO — ONE PURCHASE, EVERY DEVICE One purchase unlocks Pro on iPhone, iPad and Mac, forever. Try it free for 7 days. • Version history with search, comparison and a year of versions • Backups of your library • Professional ePub, HTML, and books made of many files • PDF page setup • Focus and Typewriter modes • External folders • 24 app themes, the Pro preview styles and any font installed on your device MADE FOR • Writers: novels and essays in plain text, out as a real ebook • Students and researchers: notes and theses with proper formulas • Developers: READMEs, documentation and technical notes with diagrams • Anyone tired of paying every month for a text editor PRIVACY Your documents stay in your iCloud Drive or on your device. No servers of ours, ever. Inkiostro collects only anonymous, aggregated usage statistics — never personal data, never the content of your documents — and you can turn them off in Settings.
Screenshots
Verdict
The clearest difference is review sentiment: Inkiostro at 60% against 3D Chart Maker's 0%. Inkiostro also leads on price (Free vs $3.99) and update cadence (weekly vs every 28 months). 3D Chart Maker's advantage is in-app purchases (none vs 1) and iOS requirement (13 vs 18.0). On ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Inkiostro is free to download; 3D Chart Maker costs $3.99 up front. Inkiostro sells 1 one-off in-app purchase. 3D Chart Maker asks for nothing beyond the download.
3D Chart Maker ships an update every 28 months, Inkiostro weekly. The most recent releases landed on September 17, 2026 and September 28, 2026 respectively.
| Parameter | 3D Chart Maker | Inkiostro |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | — | 3.0 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | 60.0% of reviews — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 28 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 13 — better | 18.0 |
| Further details — not scored | ||
| Size | 2 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Nitrio | Carlo Di Giuseppe |
Customer experience
3D Chart Maker
Inkiostro
In-app purchases
3D Chart Maker
No in-app purchases
Inkiostro
- Inkiostro Pro$19.99









